#613D23
Closest named color: Mud Brown (#60460F). oklch(39.6% 0.064 55.5), rgb(97, 61, 35).
Aa
White text reads best on this color (9.54:1).
About this color
#613D23 is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.064 and its hue 56°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.038 away. White text reads best on it, at 9.54:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.20:1 |
| White text | 9.54:1 |
Values
| HEX | #613D23 |
| RGB | rgb(97, 61, 35) |
| HSL | hsl(25, 47%, 26%) |
| OKLCH | oklch(39.6% 0.064 55.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #613D23 | 9.54:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #613D23 | 2.20:1 | Fails | Lc 12.0 | Not readable |
| #613D23 text on white | 9.54:1 | AAA | Lc 91.9 | Preferred for body text |
| #613D23 text on black | 2.20:1 | Fails | Lc -10.5 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E8E1
oklch(93.7% 0.014 57.6)
-
Step 200
200
#E8D5C9
oklch(88.5% 0.027 54.5)
-
Step 300
300
#DAB9A4
oklch(80.9% 0.048 54.3)
-
Step 400
400
#C69472
oklch(70.6% 0.077 55.3)
-
Step 500
500
#B7794D
oklch(63.1% 0.098 55.3)
-
Step 600
600
#A2612F
oklch(55.6% 0.106 55.7)
-
Step 700
700
#8B5022
oklch(49.2% 0.099 55.4)
-
Step 800
800
#71421E
oklch(42.8% 0.082 55.6)
-
Step 900
900 (this color)
#613D23
oklch(39.6% 0.064 55.5)
-
Step 950
950
#362112
oklch(27.1% 0.041 55.6)
#613D23 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #474021 | 0.050 |
| Deuteranopia (no green cones) | #504823 | 0.044 |
| Tritanopia (no blue cones) | #6A3637 | 0.044 |
| Achromatopsia (no color) | #454545 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613D23
#613D23
oklch(39.6% 0.064 55.5)
- #1F4C64
#1F4C64
oklch(39.6% 0.064 234.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #613D23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.038
- Purple Brown #673A3F ΔE 0.047
- Chestnut #742802 ΔE 0.057
- Green Brown #544E03 ΔE 0.069
- Charcoal Grey #3C4142 ΔE 0.075
- Brownish Purple #76424E ΔE 0.076
- Olive Brown #645403 ΔE 0.079
- Milk Chocolate #7F4E1E ΔE 0.080
Use #613D23 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.